Test
Week 3 - Kinematics Capabilities
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Preguntas del test (10)
1What is the difference between a vector and a scalar?
- AVectors are longer
- BVectors are like scalars, but also include a magnitude
- CScalars are like vectors, but also include a unit
- DVectors are like scalars, but also include a direction
2Which of the following angles could be used to resolve a vector into two components?
- A180
- B270
- C45
- D100
- E60
- F90
3A car is moving in a straight line at 50 m/s. How far will it have traveled in 10 seconds?
x = [blank_start]500[blank_end] m- A500
4Resolve the following vector into its components:
R = 100.0 m @ 45 degrees
x = + [blank_start]70.71[blank_end] m
y = + [blank_start]70.71[blank_end] m- A70.71
- B70.71
5Which equation will resolve your resultant into a y-component?
- ARcos (-)
- BRsin (-)
- CRtan (-)
- DRcos^2 (-)
6A line is drawn to be 10.33 cm long at an angle of 10 degrees to the - y axis. What is the vector's y component?
The first blank is for the sign. The second blank is for the value. The third blank is for the units.
y = [blank_start]-[blank_end] [blank_start]10.17[blank_end] [blank_start]cm[blank_end]- A-
- B10.17
- Ccm
7The slope of a v/t graph shows which of the following:
- AVelocity
- BAcceleration
- CDisplacement
- DTime
8If you could measure the value of a slope on an x/t graph can directly show you which of the following:
- AVelocity
- BSpeed
- CDistance
- DDisplacement
- EAcceleration
9What is the value of the area under a v/t graph?
[blank_start]Displacement[blank_end]- ADisplacement
10A woman takes her car from rest at a stoplight to a speed of 25 m/s in 10.0 seconds. What is her acceleration?
a = [blank_start]2.5[blank_end] m/s^2- A2.5
Información
- Descripción
- Understanding of linear motion in one and two dimensions
- Autor
- Ryan Elwell
- Idioma
- English
- Visitas
- 17
- Etiquetas
- Valoración
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